Re: Org-cite: Replace basic follow-processor with transient menu?

[Ihor Radchenko <yantar92@posteo.net>]

Tor-björn Claesson <tclaesson@gmail.com> writes:

> ...
>>    (mapcar (pcase-lambda (`(,key ,desc ,fn ,transform))
>>                (list ,key ,desc
>>                      (lambda ()
>>                        (interactive)
>>                        (apply fn (eval transform)))))
>>            org-cite-basic-follow-actions)))
>
> ...
> I will keep trying, but I must find the spare time to learn more about
> mapping and pattern matching in elisp, so this might take a while. In
> case Ihor wants to just fix it, please go ahead :-)

Check "11.4.4 Destructuring with ‘pcase’ Patterns" section of Elisp
manual. It has examples explaining how backquote pattern works.

> It would be good if we could match against the case of '(key desc
> suffix) as well, so that we could include otherwhere defined suffixes.

To not complicate things, I suggest something simple along the lines of

(lambda (&rest suffix-spec)
 (pcase suffix-spec
  (`(,key ,desc ,fn ,transform) ...)
  (`(,key ,desc ,suffix) ...)))

Remember that you can always play around with things in scratch buffer,
in IELM, or even just using C-x C-e from anywhere:

(pcase '(1 2 3 4)
  (`(,key ,desc ,fn ,transform)
    (format "key: %s; desc: %s; fn:%s; transform: %s"
       key  desc fn transform))
  (`(,key ,desc ,suffix)
    (format "key: %s; desc: %s; suffix:%s"
       key desc suffix)))
;; => "key: 1; desc: 2; fn:3; transform: 4"

(pcase '(1 2 3)
  (`(,key ,desc ,fn ,transform)
    (format "key: %s; desc: %s; fn:%s; transform: %s"
       key  desc fn transform))
  (`(,key ,desc ,suffix)
    (format "key: %s; desc: %s; suffix:%s"
       key desc suffix)))
;; => "key: 1; desc: 2; suffix:3"

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
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